162530431 has 8 divisors (see below), whose sum is σ = 188365824. Its totient is φ = 137349240.

The previous prime is 162530419. The next prime is 162530449. The reversal of 162530431 is 134035261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 162530431 - 2⁵ = 162530399 is a prime.

It is a super-2 number, since 2×162530431² = 52832282002091522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 162530396 and 162530405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162530491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163015 + ... + 164008.

It is an arithmetic number, because the mean of its divisors is an integer number (23545728).

Almost surely, 2^162530431 is an apocalyptic number.

162530431 is a deficient number, since it is larger than the sum of its proper divisors (25835393).

162530431 is an equidigital number, since it uses as much as digits as its factorization.

162530431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327101.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 162530431 is about 12748.7423301281. The cubic root of 162530431 is about 545.7305031755.

Adding to 162530431 its reverse (134035261), we get a palindrome (296565692).

The spelling of 162530431 in words is "one hundred sixty-two million, five hundred thirty thousand, four hundred thirty-one".